Make a few improvements on the implementation of the 'copy to clipboard' button.

app/src/main/java/org/secuso/privacyfriendlysudoku/ui/GameActivity.java

@@ -295,13 +295,13 @@ public class GameActivity extends BaseActivity implements NavigationView.OnNavig
                 break;
 
             case R.id.menu_share:
+                String codeForClipboard = "sudoku://" + gameController.getCodeOfField();
                 ShareBoardDialog shareDialog = new ShareBoardDialog();
-                shareDialog.setDisplayCode("sudoku://" + gameController.getCodeOfField());
+                shareDialog.setDisplayCode(codeForClipboard);
                 shareDialog.setCopyClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
                         // remember to include alternate code for older android versions
-                        String codeForClipboard = "sudoku://" + gameController.getCodeOfField();
                         ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
 
                         if (clipboard != null) {
@@ -310,8 +310,7 @@ public class GameActivity extends BaseActivity implements NavigationView.OnNavig
                             Toast.makeText(GameActivity.this, R.string.copy_code_confirmation_toast,
                                     Toast.LENGTH_LONG).show();
                         } else {
-                            //remember to replace hardcoded string
+                            Toast.makeText(GameActivity.this, R.string.copy_code_error_toast,
-                            Toast.makeText(GameActivity.this, "Cannot access clipboard",
                                     Toast.LENGTH_LONG).show();
                         }
                     }

app/src/main/java/org/secuso/privacyfriendlysudoku/ui/listener/IShareDialogFragmentListener.java

@@ -1,10 +1,5 @@
 package org.secuso.privacyfriendlysudoku.ui.listener;
 
-import org.secuso.privacyfriendlysudoku.ui.view.databinding.DialogFragmentShareBoardBinding;
-
-/**
- * Created by Chris on 19.01.2016.
- */
 public interface IShareDialogFragmentListener {
     public void onShareDialogPositiveClick(String input);
     public void onDialogNegativeClick();

app/src/main/res/values-de/strings.xml

@@ -37,6 +37,7 @@
     <string name="menu_reset">Zurücksetzen</string>
     <string name="menu_share">Sudoku teilen</string>
     <string name="copy_code_confirmation_toast">In Zwischenablage gespeichert</string>
+    <string name="copy_code_error_toast">Kein Zugriff auf Zwischenablage möglich</string>
     <string name="min_time">Beste Zeit:</string>
     <string name="number_of_games">Abgeschlossene Spiele:</string>
     <string name="number_of_hints">Benutzte Hinweise:</string>

app/src/main/res/values/strings.xml

@@ -87,6 +87,7 @@
     <string name="reset_confirmation_confirm">Reset</string>
     <string name="share_confirmation_confirm">Share</string>
     <string name="copy_code_confirmation_toast">Copied to clipboard</string>
+    <string name="copy_code_error_toast">Cannot access clipboard</string>
 
     <!-- ### Welcome Dialog ### -->